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How Many Calories in Submarine Sandwich, Tuna On White Bread with Lettuce and Tomato?

✓ Nutrition data reviewed against USDA FoodData Central and Public Health England guidance by Jordan Morley, Editorial Reviewer. Last reviewed: 27 October 2026.

Fact-checked against original USDA source data by Jordan Morley, Editorial Reviewer. Not a registered dietitian — nutrition figures are sourced directly from USDA FoodData Central, not independently assessed medical advice.

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218
calories per 100g
517 calories per 6 inch sub (237g)
12.3gProtein
15.9gCarbs
12.0gFat
0.7gFibre

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⚖ Kitchen Scales

Quick reference — common serving sizes

AmountCaloriesProtein
1 oz (28g)62 kcal3.5g
100g218 kcal12.3g
6 inch sub517 kcal29.2g
grams
218kcal
12.3gprotein
15.9gcarbs
12.0gfat
0.7gfibre

A submarine sandwich, tuna on white bread with lettuce and tomato contains 218 calories per 100g. A typical 6 inch sub (237g) provides about 517 calories. Submarine Sandwich, Tuna On White Bread with Lettuce and Tomato is high in calories. Accurate tracking starts with weighing portions — a digital kitchen scale removes all the guesswork.

Submarine Sandwich, Tuna On White Bread with Lettuce and Tomato Nutrition Facts

NutrientPer 100gPer serving (237g)
Calories218 kcal517 kcal
Protein12.3g29.2g
Carbohydrates15.9g37.7g
of which Sugars1.9g4.5g
Fat12.0g28.4g
of which Saturates2.1g5.0g
Fibre0.7g1.7g
Sodium329.0mg780mg
Potassium177.0mg419mg
Calcium136.0mg322mg
Iron1.6mg3.8mg
Vitamin C0.0mg0.0mg
Vitamin A11.0µg26µg
Selenium39.2µg93µg
Riboflavin (B2)0.2mg0.5mg

% of Daily Value (per 100g)

Based on a standard 2,000-calorie reference diet — the same basis used on nutrition labels in the US and UK.

Useful for tracking submarine sandwich, tuna on white bread with lettuce and tomato

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Have a cat or dog? Check whether submarine sandwich, tuna on white bread with lettuce and tomato is safe for your dog or safe for your cat before sharing. Also check the full ingredient breakdown and food safety guide for pregnancy and storage advice. Use a meal prep container set to portion out submarine sandwich, tuna on white bread with lettuce and tomato for the week. Tracking supplements too? Check drug and supplement interactions before combining anything new.

Good to know

Customisations (extra cheese, sauce, no bun) change the numbers meaningfully — the figures here are for the standard menu item as sold.

Frequently Asked Questions

How many calories in submarine sandwich, tuna on white bread with lettuce and tomato per 100g?

Submarine Sandwich, Tuna On White Bread with Lettuce and Tomato contains 218 calories per 100g, based on USDA reference data.

Is submarine sandwich, tuna on white bread with lettuce and tomato high in calories?

A 6 inch sub of submarine sandwich, tuna on white bread with lettuce and tomato (237g) has around 517 calories — roughly 26% of a 2,000-calorie daily intake.

Is submarine sandwich, tuna on white bread with lettuce and tomato good for weight loss?

Submarine Sandwich, Tuna On White Bread with Lettuce and Tomato is fairly calorie-dense at 218 calories per 100g, so portion size matters when losing weight. A 6 inch sub provides about 517 calories.

How much protein is in submarine sandwich, tuna on white bread with lettuce and tomato?

Submarine Sandwich, Tuna On White Bread with Lettuce and Tomato contains 12.3g of protein per 100g.

Is submarine sandwich, tuna on white bread with lettuce and tomato a good source of fibre?

Submarine Sandwich, Tuna On White Bread with Lettuce and Tomato is relatively low in fibre at 0.7g per 100g, so pairing it with fibre-rich sides (vegetables, whole grains, legumes) can help balance a meal.

How does submarine sandwich, tuna on white bread with lettuce and tomato compare to nachos, with cheese, beans, ground beef?

Submarine Sandwich, Tuna On White Bread with Lettuce and Tomato has 218 calories per 100g, close to nachos, with cheese, beans, ground beef at 219 — 1 calories fewer per 100g. See the full macro breakdown above.

How many servings of submarine sandwich, tuna on white bread with lettuce and tomato for 20g of protein?

With 12.3g of protein per 100g, you'd need roughly 163g of submarine sandwich, tuna on white bread with lettuce and tomato to reach 20g of protein

Foods with a similar calorie count

Other fast food closest to submarine sandwich, tuna on white bread with lettuce and tomato by calories per 100g:

FoodCaloriesProteinCarbsFat
Submarine Sandwich, Tuna On White Bread with Lettuce and Tomato (this page)218 kcal12.3g15.9g12.0g
Nachos, with Cheese, Beans, Ground Beef219 kcal6.2g21.4g12.5g
Submarine Sandwich, Meatball Marinara On White Bread219 kcal9.8g26.0g8.4g
Grilled Chicken, Bacon and Tomato Club Sandwich, with Cheese, Lettuce220 kcal17.2g19.9g8.1g
Fried Chicken, Wing, Meat Only, Skin and Breading Removed215 kcal28.8g2.1g10.2g
Kashi Pizza, Mushroom Trio & Spinach, Frozen, Unprepared222 kcal12.7g24.6g8.3g
Grilled Chicken in Tortilla, with Lettuce, Cheese, and Ranch Sauce222 kcal13.8g18.4g10.3g

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Last updated:

Nutrition data: USDA FoodData Central (public domain, CC0 1.0). Values are per 100g unless stated.